Ottawa weather in March 2020

2
2°C max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
-8
-8°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
62
62 mm of monthly rainfall
3
3 (Moderate) UV index

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The March weather guide for Ottawa, Ontario shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

IHG sale: at least 20% off hotels worldwide

Sale

Save at least 20% on participating IHG hotels
Book summer hotel stays at least 3 days in advance
Travel before 15th September 2019 (inclusive)

Go to IHG deal >>

Expires at 23:59 on Wednesday 31st Jul 2019 · View all IHG offers

Metric (°C / mm) | Imperial (°F / inches)

Guide to Ottawa weather in March

The average maximum daytime temperature in Ottawa in March is a cold 2°C (36°F). The average night-time temperature is usually a very cold -8°C (18°F). There are usually 5 hours of bright sunshine each day, which represents 43% of the 12 hours of daylight.

Expect 62mm (2.4 inches) of rainfall across the whole of March with 11 days with some rain falling. Maximum UV levels will be moderate (3 UV index) at midday when the skies are clear.